Methyl 4-bromo-2-(difluoromethyl)-3-nitropyridine-6-acetate
3-Bromo-2-(difluoromethyl)-5-methoxypyridine-4-acetonitrile
Methyl 5-bromo-3-(difluoromethyl)-2-nitropyridine-4-acetate
3-Bromo-2-(difluoromethyl)-4-methoxypyridine-5-acetonitrile
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